[OS X TeX] AMS-LaTeX question

[Gary Gray]

On May 28, 2012, at 2:28 PM, Martin Berggren wrote:

> How about
> 
> \begin{align*}
> 	&= \frac{A} { \left( k - m \omega_{0}^{2} \right)^{2} + c^{2} \omega_{0}^{2} } \sqrt{ \left[ \left( k - m \omega_{0}^{2} \right) \left( m \omega_{0}^{2} + k - m \omega_{0}^{2} \right) + c^{2} \omega_{0}^{2} \right]^{2} + \left( m c \omega_{0}^{3} \right)^{2} }
> 	\\
> 	&= \frac{A} { \left( k - m \omega_{0}^{2} \right)^{2} + c^{2} \omega_{0}^{2} } \sqrt{ \smash[b]{\underbrace{ \left[ k \left( k - m \omega_{0}^{2} \right) + c^{2} \omega_{0}^{2} \right]^{2} + \left( m c \omega_{0}^{3} \right)^{2} }_{Q}} }.
> \end{align*}

That works quite well. I must become familiar with this \smash command.

Thank you!

Gary